Average Co-Inventor Count = 1.79
ph-index = 16
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Asahi Kogaku Kogyo Kabushiki Kaisha (70 from 3,132 patents)
2. Hitachi, Ltd. (21 from 42,522 patents)
3. Pentax Corporation (19 from 1,056 patents)
4. Sony Corporation (12 from 58,132 patents)
5. Sony Chemicals Corporation (9 from 186 patents)
6. Kao Corporation (7 from 3,607 patents)
7. Hoya Corporation (5 from 2,533 patents)
8. Dexerials Corporation (5 from 687 patents)
9. Asahi Kogaku Kogyo K.k. (4 from 176 patents)
10. Nikon Corporation (3 from 8,903 patents)
11. Seiko Epson Corporation (1 from 33,509 patents)
12. Mitsubishi Gas Chemical Company, Inc. (1 from 2,253 patents)
13. Kinki University (1 from 50 patents)
14. Nittoh Inc. (1 from 41 patents)
15. Asahi Kogaku Kabushiki Kaisha (1 from 38 patents)
159 patents:
1. 12492268 - Material for locating gas leak, method for locating gas leak, material for repairing gas leak, method for repairing gas leak, and device for repairing gas leak
2. 12180406 - Repairing material for liquid leakage, repairing method for liquid leakage, and pipeline
3. 11976769 - Oil leakage repairing material, oil leakage repairing method, and pipe
4. 11419797 - Method for producing composition containing hardly water-soluble aromatic compound
5. 11378788 - Zoom lens system and imaging apparatus
6. 10894058 - Method for producing solid dispersion containing hardly soluble polyphenol
7. 10696878 - Fluorene derivative, method for producing the same, resin composition, and article
8. 10489353 - Computer system and data management method
9. 9822091 - Method for producing ellagic acid composition
10. 9580524 - Vinylcyclopropane, monomer composition, polymer, polymer composition, and article
11. 9317381 - Storage system and data management method
12. 9097882 - Zoom lens system
13. 9006474 - Method for producing refined a fat or oil
14. 8927039 - Method for manufacturing refined fat or oil
15. 8884043 - Oil or fat composition